(19)

(11)

EP 0 975 272 A2

(12)

(88) Date of publication A3: 03.12.1998 (43) Date of publication: 02.02.2000 Bulletin 2000/05 (21) Application number: 98901454.3 (22) Date of filing: 16.02.1998

(51) International Patent Classification (IPC)7: A61B 19/00 (86) International application number: PCT/IB9800/190 (87) International publication number: WO 9837/827 (03.09.1998 Gazette 1998/35)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 28.02.1997 EP 97200600 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: VAN DER BRUG, Willem, Peter NL-5656 AA Eindhoven (NL) DE BLIEK, Hubrecht, Lambertus, Tjalling NL-5656 AA Eindhoven (NL) GERRITSEN, Frans, Andreas NL-5656 AA Eindhoven (NL) (74) Representative: Cohen, Julius Simon  Internationaal Octrooibureau B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)